hdr/walkregs.hh

   1 /*
   2   walkregs.hh -- declare Walker_registers
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9
  10 #ifndef WALKREGS_HH
  11 #define WALKREGS_HH
  12
  13
  14 #include "registergroup.hh"
  15
  16 /**
  17   Top level registers: the interface to Complex_walker.
  18
  19   [sigh. Sometimes I wish C++ could do better late binding.]
  20  */
  21 struct Walker_registers : Register_group_register {
  22     Array<Item*> prebreak_item_p_arr_;
  23     Array<Item*> nobreak_item_p_arr_;
  24     Array<Item*> postbreak_item_p_arr_;
  25     Array<Staff_elem_info> announce_info_arr_;
  26     Array<Voice_group_registers*> group_l_arr_;
  27     Complex_walker * walk_l_;
  28
  29     /* *************** */
  30     void change_group(Group_change_req * greq_l,
  31                       Voice_registers *voice_regs_l,
  32                       Voice_group_registers * old_group);
  33     Voice_group_registers * get_group(String id);
  34     void typeset_musical_item(Staff_elem * elem_p);
  35     Walker_registers(Complex_walker*);
  36     void do_announces();
  37     void terminate_register(Request_register * reg);
  38     virtual bool try_request(Request * r);
  39     virtual Staff_info get_staff_info();
  40
  41     virtual void announce_element(Staff_elem_info);
  42     virtual void acknowledge_element(Staff_elem_info);
  43     virtual void typeset_breakable_item(Item * pre_p , Item * nobreak_p, Item * post_p);
  44     virtual void typeset_element(Staff_elem*elem_p);
  45     virtual void pre_move_processing();
  46     virtual void post_move_processing();
  47     virtual Paper_def * paper() const;
  48 };
  49
  50 #endif // WALKREGS_HH